IELTS with Keith (my personal favourite): English Speaking Success has got an impressive number of short, specific tutorials presented in a most friendly manner. The range of topics includes speaking skills, test strategies and improving your IELTS score. A rich collection of tips, resources, free lessons, and sample answers. Run by Keith O'Hare, an English teacher and owner of the Keith Speaking Academy.
BestMyTest: a vast collection of IELTS preparation lessons organised in an outstandingly clear way. Presented by different teachers, the tutorials have one thing in common: they are easy to understand and cover all the important parts of the IELTS tasks.
A must-watch channel for IELTS preparation.
Understanding IELTS by the British Council: a playlist of live videos dedicated to IELTS questions. Created by educators from the British Council's award-winning Understanding IELTS online courses, it provides valuable tips and answers to all your IELTS questions.
FasTrack: Packed with useful tips and information, this channel provides a comprehensive of video tutorials on all parts of the IELTS exam. Run by Asiya, a teacher who has established Fastrack Education, a company that helps others achieve their academic dreams.
E2: E2 Test Prep provides affordable, quality language learning technology and test simulation. Run by Mark, an EX-IELTS examiner and Jay, an expert IELTS teacher.
IELTS with Liz: this IELTS preparation channel is probably one of the most famous ones. The videos feel like a real lesson: there is a teacher who stands in front of a whiteboard with a marker, and simply explains the material . Run by a qualified IELTS trainer, Liz, it provides IELTS tips, techniques and practice for your IELTS test. In the form of clear and well-structured lessons, the channel helps you learn about IELTS writing, IELTS Speaking, Listening and Reading.